// © Broadcom. All Rights Reserved.
// The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
// SPDX-License-Identifier: Apache-2.0

package guest

import (
	"context"

	"github.com/vmware/govmomi/vim25"
	"github.com/vmware/govmomi/vim25/methods"
	"github.com/vmware/govmomi/vim25/types"
)

type ProcessManager struct {
	types.ManagedObjectReference

	vm types.ManagedObjectReference

	c *vim25.Client
}

func (m ProcessManager) Client() *vim25.Client {
	return m.c
}

func (m ProcessManager) Reference() types.ManagedObjectReference {
	return m.ManagedObjectReference
}

func (m ProcessManager) ListProcesses(ctx context.Context, auth types.BaseGuestAuthentication, pids []int64) ([]types.GuestProcessInfo, error) {
	req := types.ListProcessesInGuest{
		This: m.Reference(),
		Vm:   m.vm,
		Auth: auth,
		Pids: pids,
	}

	res, err := methods.ListProcessesInGuest(ctx, m.c, &req)
	if err != nil {
		return nil, err
	}

	return res.Returnval, err
}

func (m ProcessManager) ReadEnvironmentVariable(ctx context.Context, auth types.BaseGuestAuthentication, names []string) ([]string, error) {
	req := types.ReadEnvironmentVariableInGuest{
		This:  m.Reference(),
		Vm:    m.vm,
		Auth:  auth,
		Names: names,
	}

	res, err := methods.ReadEnvironmentVariableInGuest(ctx, m.c, &req)
	if err != nil {
		return nil, err
	}

	return res.Returnval, err
}

func (m ProcessManager) StartProgram(ctx context.Context, auth types.BaseGuestAuthentication, spec types.BaseGuestProgramSpec) (int64, error) {
	req := types.StartProgramInGuest{
		This: m.Reference(),
		Vm:   m.vm,
		Auth: auth,
		Spec: spec,
	}

	res, err := methods.StartProgramInGuest(ctx, m.c, &req)
	if err != nil {
		return 0, err
	}

	return res.Returnval, err
}

func (m ProcessManager) TerminateProcess(ctx context.Context, auth types.BaseGuestAuthentication, pid int64) error {
	req := types.TerminateProcessInGuest{
		This: m.Reference(),
		Vm:   m.vm,
		Auth: auth,
		Pid:  pid,
	}

	_, err := methods.TerminateProcessInGuest(ctx, m.c, &req)
	return err
}
